25300-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25300-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,3,0 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25300-55:
(7*2)+(6*5)+(5*3)+(4*0)+(3*0)+(2*5)+(1*5)=74
74 % 10 = 4
So 25300-55-4 is a valid CAS Registry Number.